247897689

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{373903}}^1$

素因数の和:373936

約数の個数: 16

約数和(自身を含む): 376895232

約数和(自身を除く): 128997543

約数列:

[1, 3, 13, 17, 39, 51, 221, 663, 373903, 1121709, 4860739, 6356351, 14582217, 19069053, 82632563, 247897689]

約数ペア:

[(1, 247897689), (3, 82632563), (13, 19069053), (17, 14582217), (39, 6356351), (51, 4860739), (221, 1121709), (663, 373903)]